GRASS GROWING FOR PROFIT 15 
When Nitrate is used alone as a top-dressing — 
that is, unless the minerals have been previously 
applied — 100 pounds per acre is enough; but it 
should be remembered that to make as small an appli- 
cation as 100 pounds per acre requires considerable 
care, the tendency being, unless such care is exer- 
cised, to make the application unnecessarily heavier 
with consequent possible loss of profit. 
A Nitrate Distributor for Top-Dressing, in Use. 
Nitrate can sometimes be used alone at very 
great profit and, especially on old meadows, fre- 
quently the production of hay can be very mate- 
rially increased. In the long run a full ration of 
the minerals is better for both the soil and the crop. 
Generally speaking, in the Hay Belt of the United 
